AirHint found the following cheapest return flights from Charlotte (CLT) to Dublin (DUB) in September 2025 (see full year).

Return flights

09 Sep - 16 Sep	Spirit Airlines
07 Sep - 16 Sep	Spirit Airlines
07 Sep - 27 Sep	Frontier Airlines
06 Sep - 17 Sep	Spirit Airlines
07 Sep - 16 Sep	Finnair	direct
04 Sep - 10 Sep	Spirit Airlines
24 Sep - 29 Sep	Spirit Airlines
30 Sep - 25 Oct	Spirit Airlines
21 Sep - 30 Sep	Spirit Airlines
26 Sep - 04 Oct	Spirit Airlines
04 Sep - 10 Sep	Finnair	direct
26 Sep - 01 Oct	Spirit Airlines
07 Sep - 27 Sep	Finnair	direct
30 Sep - 07 Oct	United
29 Sep - 06 Oct	United
28 Sep - 05 Oct	United
27 Sep - 04 Oct	United
26 Sep - 03 Oct	United
30 Sep - 07 Oct	Aer Lingus	direct
30 Sep - 25 Oct	Finnair	direct

Also check the deals for one-way flights from Charlotte to Dublin in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Charlotte to Dublin in September from 390€

Return flights